#VU19259 Out-of-bounds read in Simple DirectMedia Layer - CVE-2019-13616

Vulnerability identifier: #VU19259

Vulnerability risk: Medium

CVSSv4.0: 5.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2019-13616

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Simple DirectMedia Layer
Client/Desktop applications / Multimedia software

Vendor: zlib license

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to heap-based buffer over-read in the "BlitNtoN" function in the "video/SDL_blit_N.c" file when called from the "SDL_SoftBlit" function in the "video/SDL_blit.c" file. A remote attacker can trick a victim to open a specially crafted file and perform a denial of service attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Simple DirectMedia Layer: 1.2.0 - 2.0.9

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External links
https://bugzilla.libsdl.org/show_bug.cgi?id=4538

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.